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Severe conditions (e.g. strong air
pollution) may require replacement of
the filter before its scheduled interval.
A clogged filter will reduce the air
volume to the interior.
If the vehicle interior is hot, ventilate
the interior before driving off, see
"Opening (Summer opening feature)"
( page 253).
Keep the air intake grille in front of the
windshield free of snow and debris.
Do not obstruct air flow by placing
objects on the air flow-through exhaust
slots below the rear window.
Deactivating the climate control
system
Deactivating
Set air volume control 1 ( page 185)
to position 0.
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When the air conditioning is switched
off, the outside air supply and circula-
tion are also switched off. Only choose
this setting for a short time. Otherwise
the windows could fog up.
Reactivating
Set air volume control 1 ( page 185)
to any speed.
Controls in detail
Climate control (CLK 320)
Setting the temperature
Use temperature controls 2 and 3
( page 185) to separately adjust the air
temperature on each side of the passenger
compartment. You should raise or lower
the temperature setting in small incre-
ments, preferably starting at 72°F (22°C).
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When operating the climate control
system in automatic mode, you will
only rarely need to adjust the tempera-
ture, air volume and air distribution.
187
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